Papers:
Catalytic oxidation of carbon using TiO2 based nanoparticles prepared using flame synthesis
Memon N.K., Ismail M.A., Anjum D.H., Chung S.H., Qatar Environment and Energy Research Institute, QA
Titanium dioxide (TiO2) nanoparticles are used in numerous applications involving catalysis, photo-catalysis, water purification, electrode for Li-ion batteries, polymer fillers, and pigments. Multiple-diffusion flames are used to coat/dope the TiO2 nanoparticles with various elements such [...]
Effect of flame-made metal (M = Pt, Nb, Ru) -loaded In2O3 on NO2 gas sensing
Unloaded In2O3 and M-loaded (M = Pt, Nb and Ru) In2O3 nanoparticles loaded with 0.25–1.00wt% metal were successfully synthesized in a single step by the flame spray pyrolysis (FSP) technique. Unloaded In2O3 and M-loaded (M [...]
Scale-up of metal nanoparticle production
Metal nanoparticles are used in numerous products and applications to enhance their performance or efficiency. Different gas phase synthesis routes are known to form metal nanoparticles, however only few are capable for scaling-up in terms [...]
Low turn-on field of ZnO nanostructures grown with catalyst-free vapor-phase transport
Yang S-H, Hsu Y-M, Tsai M-W, Chang L-L, Chiang P-J, National Kaohsiung University of Applied Sciences, TW
Low turn-on electric field of ZnO nanostructures were grown with pseudo-catalyst by vapor phase transport. A ZnO:Al (AZO) seed layer was deposited on a silicon substrate by RF magnetron sputtering, which formed nucleation sites and [...]
Hydrothermal Synthesis of Silver Nanowires and Application as Transparent Conductive Materials
George A.L., McGough P.T., Lunn J.D., Wang W., Kuo T.-C., Todd C.C., Goss J.M., Collins R.M., Malek A., Calverley E.M., The Dow Chemical Company, US
A scalable hydrothermal synthesis for silver nanowires has been developed. The new synthetic route is expected to be compatible with industrially available reactor systems and offer environmental and safety advantages due to use of aqueous [...]
Synthesis and Characterization of Copper-Copper oxide nanofluids in the confinement regime
Abstract: Copper oxide shelled copper nanofluids are synthesized with surfactant trioctylphosphine oxide (TOPO) using sulphates precursors. The fluids were structurally characterised by X-ray Diffraction (XRD). Surface and morphological characterization are carried out by Scanning Electron [...]
Multifunctional Nanostructures and Nanoarchitectures
The development of functional nanomaterials with multi-detection modalities opens up new avenues for creating multi-purpose technologies for many applications. The “ideal” nanoparticle would combine multiple detection modalities (magnetic, plasmonic, elastic or inelastic light scattering, fluorescence, [...]
Synthesis of Coaxial CoFe2O4 – (K0.5Na0.5 )NbO3 Nanotubes by Sol-gel Technique Using Inexpensive Templates
Chitra Lekha C.S., Rasi M., Aravind P.B., Anantharaman M.R., Nair S.S., Central University of kerala, IN
Magnetoelectric (ME) coupling, one of the most intriguing aspects of multiferroics, may arise directly between two or more ferroic orders as in single phase multiferroics or indirectly via strain. Strain intermediate ME coupling requires intimate [...]
Morphology and Size Control of Mesoporous ORMOSIL Particles
Mesoporous ORMOSIL particles with tailored morphology and/or controlled size were prepared by a simple two-step process. The first step, synthesis of monodisperse ORMOSIL particles with multi-layered structure, involved a one-pot process in an aqueous solution [...]
Synthesis of Nanostructured Calcium Silicate Hydrates
Cementitious material contribute to about 5-8% of total world Carbon emission per year. Calcium Silicate Hydrates (C-S-H) is the main product of hydrated Portland cements. A better understanding of its kinetics, growth mechanism and atomic [...]
Properties of xYSZ nanoparticles and pellets with x varying from 1 to 15%
Nanoparticles of oxides are used, among other things, for solid oxide fuel cells (SOFCs), where the use of yttria-stabilized zirconina nanoparticles in the inner region of the anode will increase the extent of the "triple-phase [...]
Characterization of Metal-Based Nanoparticles by Single Particle-ICP-MS in Various Matrices
The use of nanoparticles in consumer products is showing a tremendous increase over time. The National Institute of Standards and Technologies reported that nanotechnology-based consumer products are currently entering the market at a rate of [...]
Epoxy/Silica Nanocomposite: Effect of Silica Nanoparticles, Thermal Stability, and Modeling of the Curing Kinetics
A nanocomposite was synthesized using silica nanoparticles (SN) and Epoxy Vinyl Ester Resin (VE671). Nanoparticles were dispersed in the mixture by ultrasonic equipment to prevent the agglomeration. Transmission electron microscopy (TEM) was used to investigate [...]
Core-shell Silica-coated Iron Oxide Nanoparticles for Magnetic Hyperthermia
We report the synthesis and characterization of silica-coated iron oxide nanoparticles with a core-shell structure for magnetic hyperthermia. The nanoparticles of silica-coated iron oxide were synthesized using the reverse micelle method. The coating of the [...]
Sustained-release liquisolid compacts of lumenfantrine-artemether as alternate-dayregimen for malaria treatment to improve patient compliance
Nnamani P.O., Ugwu A.A., Ibezim E.C., Kenechukwu F.C., Ogbonna J.D.N., Obitte N.C., Chime S.A., Attama A.A., University of Nigeria, Nsukka, NG
Lumenfantrine-SLN (LUM, 0.2, 0.5, 0.8 and 1%w/w)formulated with Precirol-Transcutol (PT) and Tallow fat-Transcutol (TT) at 3:1 contained surfactants (Poloxamer 188, Polysorbate 80 and Solutol HS). PS, ZP, PDI,morphology, EE, interaction study and in vitro drug [...]
Synthesis and Characterization of Novel Multifunctional SiO2 nanoparticles
In the present work, azole functional silica nanoparticles synthesized and characterized. For the preparation of azole functional SiO2, a two-step method based on hydrolyzed of TEOS was used in this study. The epoxy functional SiO2 [...]
Synthesis and Characterisation of Nano-Sized Triphenylphosphine Capped bis(4-methylpiperazine-1-carbodithioato) zinc(ll)
Present study involves the synthesis of and studies on a nanosized coordinate complex of 4-methylpiperazine-1-carbodithioate (4-MPipzcdt) ligand with zinc(II), i.e. Zn(4-MPipzcdt)2, using triphenylphosphine (PPh3) as capping agent. TEM study revealed nanosized particles with size range [...]
Manganese Doped Zinc Oxide Nanoparticles (MnxZn1-xO): Synthesis, Magnetic Properties and Applications: Photocatalytic and Chemical Sensing
Chauhan M.S., Chauhan S., Chauhan M.S., Chauhan S., Kumar R., Himachal Pradesh University, Shimla, IN
Manganese doped zinc oxide nanoparticles (NPs), MnxZn1-xO; x = 0.01, 0.02, 0.05, 0.1 and 0.2 have been fabricated by the simple solution process. Well-defined morphologies and well-crystallinity of these nanoparticles have been verified with the [...]
Photoluminescence Studies of Green Synthesized Copper Nanoparticles
Annapurna S., Suresh Y., Sreedhar B., Singh A.K., Bhikshamaiah G., Osmania University College for Women, IN
Copper nanoparticles are prepared using a two stage chemical reduction method. Potato starch and Ocimum Sanctum leaf extract are used to stabilize the copper nanoparticles. This approach is proved to be an efficient method for [...]
Manufacturing of thermally stable nanocrystalline aluminum alloys and studying their corrosion behavior in Arabian Gulf seawater
The as-received metal powders were used to synthesis bulk nanocrystalline Al; Al-10%Cu; and Al-10%Cu-5%Ti alloys using mechanical alloying and high frequency induction heat sintering (HFIHS). The corrosion behavior of these materials in natural Arabian Gulf [...]
Visible and Infrared emission from Erbium Oxide nanoparticle, for optical and biomedical applications
Light emitting nanoparticles are getting special attention due to their use in optical technology and biomedical applications. The present work reports light emission from Erbium Oxide nanoparticles. The nanoparticles, with 43 nm diameter, were obtained [...]
Batch Sorption of Ciprofloxacin on Kaolinitic Clay and nHematite Composite: Equilibrium and Thermodynamics Studies
Ciprofloxacin is a second generation fluoroquinolone antibiotic of high use. It has a high aqueous solubility and a long environmental half-life. In this study nanoparticles of hematite and hematite-kaolin composite were prepared and characterized using [...]
Temperature Stability of AgCu Nanoparticles
Sopousek J., Zobac O., Vykoukal V., Bursik J., Roupcova P., Broz P., Pinkas J., Vrestal J., Masaryk University, CZ
The Ag-Cu nanoparticles (NPs) were prepared from metallo-organic precursors by solvothermal synthesis. The CALPHAD approach was used for prediction of the Ag-Cu phase diagram in both macro and nano scales. The detailed experimental characterization was [...]
Quantum Dot Applications in LCD Displays
Quantum Dot (QD) technology offers the promise of efficient and relatively inexpensive liquid crystal displays (LCDs) with a large color gamut. Quantum dot displays now offer a variety of high color performance devices for applications [...]
Insulator oxide film formation with acid catalyzed hydrolysis of alkoxides in supercritical fluid carbon dioxide
Wang J-S., Wai C.M., Brown G.J., Apt S.D., Campo A.M., Landis G.R., Air Force Research Laboratory, US
Insulator oxide films can be produced by hydrolysis of metal alkoxide precursors in the presence of an acid catalyst in supercritical fluid carbon dioxide(sc-CO2). In this study, a new process has been developed to cover [...]
Tracking Nanoparticles in Biological Fluids using Single Particle ICP-MS
Single Particle-ICP-MS is a new operating mode in ICP-MS that is dedicated to the analysis of engineered nanoparticles (ENPs) commonly used in Nanomedicine and drug delivery systems. Single Particle (SP-ICP-MS) allows the differentiation between ionic [...]
Breast cancer diagnosis system using the combination of carcinoembryonic antigen aptamer, horseradish peroxidase-mimic hemin, and graphene sheet
Chong S., Cho K., Chong S., Khang H.J., Lee J-H., Lee S-Y, Kim Y.T., Lee J-H., Lee S-Y, Luminescent MD, LLC, US
In order to early diagnose breast cancer with the rapid quantification of carcinoembryonic antigen (CEA) in human serum, highly sensitive DNA aptasensor with 1,1-oxalyldiimidazole chemiluminescence (ODI-CL) detection was developed using the combination of CEA aptamer, [...]
Hybrid biosensor for the early diagnosis of breast cancer
A cost-effective and novel hybrid biosensor using the combination of antibody and DNA aptamer was developed for the early diagnosis of breast cancer. 1,1’-oxalyldiimidazle chemiluminescence (ODI-CL) was applied as a detector of the hybrid biosensor. [...]
Influence of Polyvinyl Alcohol (PVA) on Morphology and Encapsulation Efficiency of Polylactic Acid-Polyethylene Glycol (PLA-PEG) copolymer based Nanoparticle’s
Polyvinyl alcohol is the most commonly used emulsifier in the formulation of NPs. Provides non-aggregating, emulsifying and adhesive properties to NPs and an interconnected network with the polymer at the interface which ultimately can affect [...]
Magnetic Nanoparticles for Radio Frequency Hyperthermia: Preparation and Surface Functionalization Effects on Cellular Uptake
Iron oxide nanoparticles have received sustained interest for biomedical applications as synthetic approaches are continually developed for precise control of nanoparticle properties. This work presents an investigation of parameters in the benzyl alcohol synthesis of [...]
Colloidal magnetite nanoparticles– cytotoxicity study on V79 lung fibroblast cells
Mihai C.T., Puscasu E., Secarescu L., Nadejde C., Gherghel D., Creanga D., Vochita G., Alexandru Ioan Cuza University, RO
Various bioeffects of nanoparticulate matter were reported in the last decades. Herein, we present colloidal magnetic nanoparticles (MNPs), yielded by chemical route, tested for cytotoxicty with focus on cell apoptosis and DNA fragmentation. Chinese hamster [...]
Co0.5Fe2.5O4 nanoparticle biological impact – comparative study on environmental cellulolytic fungi
Cobalt ferrite magnetic nanoparticles (MNPs) were prepared by co-precipitation being further electrostatically stabilized in solution (particularly used in experimental cancer treatment through hyperthermia). We focused on the biological impact of MNPs following their release in [...]
Surface Chemistry of Metal Oxide Nanoparticles and Attachment of Metal Nanoclusters: Sensor, Optoelectronic, and Catalytic Applications
Metal oxide nanoparticles are surprisingly reactive, and some undergo changes in color or in their photoluminescence (PL) spectra upon reaction. In the latter case, visible emission arises from electron decay from surface related states, and [...]
Innovative gold nanoparticle patterning and selective metallization
Kooij E.S., Raza M.A., Poelsema B., Zandvliet H.J.W., Univ. of Twente, MESA+ Inst. Nanotechnology, NL
In this contribution we present a novel, simple, low-cost bottom-up method to enable patterned deposition of nanoparticles. Our approach does not require sophisticated equipment nor does it involve harsh chemical procedures. We show that pure [...]
Magnetic exchange bias effect in Manganese Oxide Core-Shell Nanoparticles fabricated by inert gas condensation technique
Khan F.A., Bah M., Shah S.I., Department of Physics, Bangladesh University of Engineering and Technology(BUET), BD
Manganese oxide core-shell nanoparticles are fabricated by inert gas condensation technique. The as deposited samples are found to be amorphous in nature with random distribution of clustered particles. X-Ray Diffraction (XRD) and High Resolution Transmission [...]
Ionic liquid: an innovative medium for nanofabrication
Porous silicon (PSi) has been attracting a great attention as a breakthrough material with exceptional characteristics for microelectronics, layer transfer technology, solar and fuel cells, biomedicine, etc. Its properties can be modified by in introducing [...]
Layer by layer polyelectrolyte encapsulation of satellite structured Fe3O4@SiO2-Au magnetic SERS probe for selective detection of food dyes
In situ detection and identification of dyes from a complex chemical mixture presents a great challenge to analytical chemists. Au NPs were uniformly deposited on magnetic Fe3O4@SiO2 bead to form a core-satellite Fe3O4@SiO2-AuNPs (FSPA) hetero-nanostructure, [...]
Ultrasensitive mercury sensors based on graphene decorated with nanoparticles
In this work we present a highly sensitive and selective sensor for detection of mercury traces in water. The sensor is constructed by creating interdigitated metal electrodes on a graphene layer placed on SiO2/Si substrate. [...]
Detection and degradation of environmental pollutants based on Fe3O4@Au nanoparticles as surface enhanced Raman scattering (SERS) substrates
Ever since the surface-enhanced Raman scattering (SERS) effect was discovered, it has played a significant role in the field of vibrational spectroscopy and is now finding increasing use in high-profile applications. Recently, many catalytic-active SERS [...]
Antibacterial effect of zinc oxide nanoparticles against water borne bacteria
We have investigated antibacterial properties of zinc oxide nanoparticles against gram negative bacteria isolated from drinking water. We isolated and identified Escherichia coli, Serratia marcescens, Enterobacter cloacae and Aeromonas hydrophila. Our results showed zinc oxide [...]
Development and Characterization of an aqueous dispersion based nano zinc oxide for cosmetic application in sunscreens
Perez-Rodriguez F., Acosta-Gonzalez G., Gutierrez-Antonio J., Aguilera-Bustos M., Acosta-Armenta L., Nanomateriales, MX
Development of an additive based nanostructured zinc oxide nano through a grinding process1 and physicochemical surface functionalization allows the formation of a stable aqueous dispersion having high solids and thus, high capacity for absorption of [...]
MgO Nanoparticles for the Removal of Reactive dyes from Wastewater
The quality of water reservoirs are under threat due to over exploitation and disposal of untreated wastewater. Throughout the world, diverse industrial operations and processes are contaminating all the spheres of environment. Amongst these, textile [...]
Attenuation of Disturbances Using Packed Bed of Nanoparticles
The attenuation of disturbances and shocks is quite important as well as challenging task in a variety of situations. In the present work, the attenuation of disturbance through a packed bed of ultrafine nano-powder that [...]
Effect of the Consolidation Techniques on the Mechanical Properties of Nanocrystalline Ti55C45 Powders Prepared by Mechanically Induced Self-Propagating Reaction
Sherif El-Eskandarany M., Al-Hazza A., Al-Hajji L., Shaban E., Al-Rowayeh A., Kuwait Institute for Scientific Research, KISR, KW
A single phase of NaCl-type TiC was obtained after 5 h of ball milling. To decrease the powder and grain sizes, the synthesized material was subjected to further ball milling time. The powders obtained after [...]
Journal: TechConnect Briefs
Volume: 1, Advanced Materials: TechConnect Briefs 2015
Published: June 14, 2015
Industry sector: Advanced Materials & Manufacturing
Topic: Nanoparticle Synthesis & Applications
ISBN: 978-1-4987-4727-1